Add 72/6 and 42/54
1st number: 12 0/6, 2nd number: 42/54
72/6 + 42/54 is 115/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
72/6 = 72 × 9/6 × 9 = 648/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Add the two like fractions:
648/54 + 42/54 = 648 + 42/54 = 690/54 - 690/54 simplified gives 115/9
- So, 72/6 + 42/54 = 115/9
In mixed form: 127/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+84/54 72/12+42/54 72/18+42/54 72/30+42/54 72/42+42/54